The Oyster Protocol enables websites to generate traffic revenue as visitors perform Proof of Work for a decentralized storage ledger. Web Nodes are everyday computers, smartphones, cars - anything with a modern web browser. They communicate with each other directly, only needing occasional connection brokerage from Broker Nodes. Web nodes recompense for their work is granted access to content/goods/services from the corresponding website owner. Website owners and broker nodes are rewarded with PRL token.

PRL is an Ethereum-based ERC20 token that serves as currency on Oyster's ecosystem.